BioStacks
Best for
Ingredients (2)
Calcium
100%Dose
450 mg
Target
200–600 mg
Form
Premium
Vitamin D
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (2)
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron, Magnesium and Zinc
On the label
As a dietary supplement, take 3 capsules, 1-2 times daily, with meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$32.00
Pricier than 82% of 294 calcium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.